1. Action: Build clauses based on campaign recipient's activities such as open, did not open, clicked any URL from any campaign, or a specific campaign.2. Geography: Build clauses based on Zip Code radius. Zip code values must be stored in contact demographics to utilize this option.3. Engagement: Build clauses based on Delivra's engagement scoring for Contacts to find most or least engaged Contacts. 4. Social: Build clauses based on campaign recipient's sharing of your email to a social network such as Facebook or Twitter.5. Category: Build clauses based on if a contact belongs or does not belong to a category. Commonly used in addition to another clause.9. Email: Build clauses based on a specific set of email addresses OR the presence of an email address.